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11315550025 = 521341849197
BaseRepresentation
bin10101000100111010…
…11001011101001001
31002012121012111111101
422202131121131021
5141133240100100
65110455301401
7550260405523
oct124235313511
932177174441
1011315550025
11488737323a
12223967a861
1310b440b240
14794b70a13
1546362086a
hex2a2759749

11315550025 has 24 divisors (see below), whose sum is σ = 15479181144. Its totient is φ = 8152281600.

The previous prime is 11315549899. The next prime is 11315550067. The reversal of 11315550025 is 52005551311.

11315550025 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 12 ways, for example, as 10167898896 + 1147651129 = 100836^2 + 33877^2 .

It is not a de Polignac number, because 11315550025 - 213 = 11315541833 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11315549975 and 11315550002.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 411274 + ... + 437923.

It is an arithmetic number, because the mean of its divisors is an integer number (644965881).

Almost surely, 211315550025 is an apocalyptic number.

It is an amenable number.

11315550025 is a deficient number, since it is larger than the sum of its proper divisors (4163631119).

11315550025 is a wasteful number, since it uses less digits than its factorization.

11315550025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 849261 (or 849256 counting only the distinct ones).

The product of its (nonzero) digits is 3750, while the sum is 28.

The spelling of 11315550025 in words is "eleven billion, three hundred fifteen million, five hundred fifty thousand, twenty-five".

Divisors: 1 5 13 25 41 65 205 325 533 1025 2665 13325 849197 4245985 11039561 21229925 34817077 55197805 174085385 275989025 452622001 870426925 2263110005 11315550025